MQ-xx sensor series
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MQ-135 Air Quality Sensor Module
The MQ-135 Air Quality Sensor Module is a high-sensitivity gas sensor for detecting air pollutants, ammonia, CO, benzene, and VOCs. With both analog and digital outputs, it’s ideal for home air quality monitoring, industrial safety, and IoT applications. Compatible with Arduino, Raspberry Pi, and smart home systems.
MQ-2 Smoke & Gas Sensor Module – LPG, Butane, Hydrogen
The MQ-2 Smoke & Gas Sensor Module is a highly sensitive detector for LPG, butane, methane, propane, and hydrogen gases. With both analog and digital outputs, it’s perfect for home safety, fire alarms, and industrial gas monitoring. Compatible with Arduino, Raspberry Pi, and IoT projects.
MQ-3 Alcohol Ethanol Detection Sensor Module
The MQ-3 Alcohol Ethanol Detection Sensor Module is a high-sensitivity gas sensor for measuring alcohol vapors, ethanol, and gasoline fumes. With both analog and digital outputs, it’s ideal for breathalyzers, smart vehicle safety, and industrial monitoring. Compatible with Arduino, Raspberry Pi, and IoT systems.